<script setup lang="ts">
  import { findById, deleteDept, updateDept, addDept, listDepts } from '@/api/dept';

  import { DeptVO, DeptForm, DeptQuery } from '@/api/dept/types';

  defineOptions({
    name: 'Dept',
    inheritAttrs: false,
  });

  const queryFormRef = ref(ElForm);
  const deptFormRef = ref(ElForm);

  const loading = ref(false);
  const ids = ref<number[]>([]);
  const dialog = reactive({
    title: '',
    visible: false,
  });

  const queryParams = reactive<DeptQuery>({});
  const deptList = ref<DeptVO[]>();

  const deptOptions = ref<DeptVO[]>();

  const formData = reactive<DeptForm>({
    parentId: '0',
    sortIndex: 1,
  });

  const rules = reactive({
    parentId: [{ required: true, message: '上级部门不能为空', trigger: 'blur' }],
    name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' }],
    sortIndex: [{ required: true, message: '显示排序不能为空', trigger: 'blur' }],
  });

  /** 查询 */
  function handleQuery() {
    loading.value = true;
    listDepts(queryParams).then(({ data }) => {
      deptList.value = data;
      loading.value = false;

      deptOptions.value = [
        {
          id: '0',
          name: '顶级部门',
          children: data,
        },
      ];
    });
  }

  /**重置查询 */
  function resetQuery() {
    queryFormRef.value.resetFields();
    handleQuery();
  }

  /** 行复选框选中记录选中ID集合 */
  function handleSelectionChange(selection: any) {
    ids.value = selection.map((item: any) => item.id);
  }

  /**
   * 打开弹窗
   *
   * @param parentId 父部门ID
   * @param deptId 部门ID
   */
  async function openDialog(parentId?: string, deptId?: string) {
    dialog.visible = true;
    if (deptId) {
      dialog.title = '修改部门';
      findById(deptId).then(({ data }) => {
        Object.assign(formData, data);
      });
    } else {
      dialog.title = '新增部门';
      formData.parentId = parentId ?? '';
    }
  }

  /** 表单提交 */
  function handleSubmit() {
    deptFormRef.value.validate((valid: any) => {
      if (valid) {
        const deptId = formData.id;
        loading.value = true;

        if (formData.parentId == '0') {
          formData.parentId = '';
        }

        if (deptId) {
          updateDept(formData)
            .then(() => {
              ElMessage.success('修改成功');
              closeDialog();
              handleQuery();
            })
            .finally(() => (loading.value = false));
        } else {
          addDept(formData)
            .then(() => {
              ElMessage.success('新增成功');
              closeDialog();
              handleQuery();
            })
            .finally(() => (loading.value = false));
        }
      }
    });
  }

  /** 删除部门 */
  function handleDelete(deptId?: number) {
    const deptIds = [deptId || ids.value].join(',');

    if (!deptIds) {
      ElMessage.warning('请勾选删除项');
      return;
    }

    ElMessageBox.confirm(`确认删除已选中的数据项?`, '警告', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }).then(() => {
      deleteDept(deptIds).then(() => {
        ElMessage.success('删除成功');
        resetQuery();
      });
    });
  }

  /** 关闭弹窗 */
  function closeDialog() {
    dialog.visible = false;
    resetForm();
  }

  /** 重置表单  */
  function resetForm() {
    deptFormRef.value.resetFields();
    deptFormRef.value.clearValidate();

    formData.id = undefined;
    formData.parentId = '0';
    formData.sortIndex = 1;
  }

  onMounted(() => {
    handleQuery();
  });
</script>
<template>
  <div class="app-container">
    <div class="search-container">
      <el-form ref="queryFormRef" :model="queryParams" :inline="true">
        <el-form-item label="关键字" prop="keywords">
          <el-input v-model="queryParams.keywords" placeholder="部门名称" @keyup.enter="handleQuery" />
        </el-form-item>

        <el-form-item label="部门状态" prop="status">
          <el-select v-model="queryParams.status" placeholder="部门状态" clearable>
            <el-option :value="1" label="正常" />
            <el-option :value="0" label="禁用" />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button class="filter-item" type="primary" @click="handleQuery">
            <i-ep-search />
            搜索
          </el-button>
          <el-button @click="resetQuery"> <i-ep-refresh />重置 </el-button>
        </el-form-item>
      </el-form>
    </div>

    <el-card shadow="never" class="table-container">
      <template #header>
        <el-button v-hasPerm="['sys:dept:add']" type="success" @click="openDialog('0', undefined)"><i-ep-plus />新增</el-button>
        <el-button v-hasPerm="['sys:dept:delete']" type="danger" :disabled="ids.length === 0" @click="handleDelete()"><i-ep-delete />删除 </el-button>
      </template>

      <el-table
        v-loading="loading"
        :data="deptList"
        row-key="id"
        default-expand-all
        :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column prop="name" label="部门名称" min-width="200" />

        <el-table-column prop="sortIndex" label="排序" width="100" />

        <el-table-column label="操作" fixed="right" align="left" width="200">
          <template #default="scope">
            <el-button v-hasPerm="['sys:dept:add']" type="primary" link size="small" @click.stop="openDialog(scope.row.id, undefined)"><i-ep-plus />新增 </el-button>
            <el-button v-hasPerm="['sys:dept:edit']" type="primary" link size="small" @click.stop="openDialog(scope.row.parentId, scope.row.id)"><i-ep-edit />编辑 </el-button>
            <el-button v-hasPerm="['sys:dept:delete']" type="primary" link size="small" @click.stop="handleDelete(scope.row.id)"> <i-ep-delete />删除 </el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <el-dialog v-model="dialog.visible" :title="dialog.title" width="600px" @closed="closeDialog">
      <el-form ref="deptFormRef" :model="formData" :rules="rules" label-width="80px">
        <el-form-item label="上级部门" prop="parentId">
          <base-tree-select v-model="formData.parentId" placeholder="选择上级部门" :data="deptOptions" filterable check-strictly :render-after-expand="false" />
        </el-form-item>
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入部门名称" />
        </el-form-item>
        <el-form-item label="显示排序" prop="sort">
          <el-input-number v-model="formData.sortIndex" controls-position="right" style="width: 100px" :min="0" />
        </el-form-item>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleSubmit"> 确 定 </el-button>
          <el-button @click="closeDialog"> 取 消 </el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>
